Tenda F456 1.0.0.5 /goform/SafeMacFilter fromSafeMacFilter page buffer overflow
Summary
A vulnerability was found in Tenda F456 1.0.0.5. It has been rated as critical. Affected is the function fromSafeMacFilter of the file /goform/SafeMacFilter. This manipulation of the argument page causes buffer overflow.
This vulnerability is handled as CVE-2026-7031. The attack can be initiated remotely. Additionally, an exploit exists.
Details
A vulnerability was found in Tenda F456 1.0.0.5. It has been declared as critical. Affected by this vulnerability is the function fromSafeMacFilter of the file /goform/SafeMacFilter. The manipulation of the argument page with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability.
It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-7031. The exploitation appears to be easy. The attack can be launched remotely. Technical details and also a public exploit are known.
It is possible to download the exploit at github.com. It is declared as proof-of-concept.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.tenda.com.cn/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.8VulDB Meta Temp Score: 8.0
VulDB Base Score: 8.8
VulDB Temp Score: 8.0
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Buffer overflowCWE: CWE-120 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
04/25/2026 Advisory disclosed04/25/2026 VulDB entry created
04/25/2026 VulDB entry last update
Sources
Vendor: tenda.com.cnAdvisory: github.com
Status: Not defined
CVE: CVE-2026-7031 (🔒)
GCVE (CVE): GCVE-0-2026-7031
GCVE (VulDB): GCVE-100-359611
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 04/25/2026 16:26Changes: 04/25/2026 16:26 (57)
Complete: 🔍
Submitter: LtzHust2
Cache ID: 216::103
Submit
Accepted
- Submit #798452: Tenda F456 v1.0.0.5 Stack-based Buffer Overflow (by LtzHust2)
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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